{"instruction": "You are an expert in named entity recognition. Please extract entities that match the schema definition from the input. Return an empty list if the entity type does not exist. Please respond in the format of a JSON string.", "schema": ["application", "process characterization", "process parameter", "machine or equipment", "engineering feature", "biomedical"], "input": "The first method to create a three-dimensional object layer by layer using computer-aided design ( CAD ) was rapid prototyping , developed in the 1980s to produce models and prototype parts ."}
{"application": [], "process characterization": [], "process parameter": [], "machine or equipment": [], "engineering feature": [], "biomedical": []}